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A047036 as a simple table

n a(n)
0 1
1 2
2 6
3 20
4 69
5 246
6 896
7 3312
8 12371
9 46582
10 176528
11 672464
12 2572700
13 9878116
14 38044450
15 146911680
16 568617615
17 2205268306
18 8567986878
19 33341710740
20 129932332749
21 506997589626
22 1980621229040
23 7745660095820
24 30320567651424

[1,2,6,20,69,246,896,3312,12371,46582,176528,
 672464,2572700,9878116,38044450,146911680,
 568617615,2205268306,8567986878,33341710740,
 129932332749,506997589626,1980621229040,
 7745660095820,30320567651424]

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Last modified December 1 22:12 EST 2021. Contains 349435 sequences. (Running on oeis4.)